Shyam Thakkar1, Radheshyam Agrawal. 1. Department of Gastroenterology, Allegheny General Hospital and Drexel University College of Medicine, Pittsburgh, Pennsylvania.
Authors: Y Takesue; T Yokoyama; T Kodama; T Santou; A Nakamitsu; Y Murakami; Y Imamura; K Miyamoto; M Okita; H Tsumura Journal: Surg Today Date: 1993 Impact factor: 2.549